Dr. Vance is investigating the relationship between sleep deprivation and cognitive performance. She gathered data from 10 participants regarding the number of hours they had been sleep-deprived and the number of errors they made on a standardized sustained attention task (scored out of 30).
Table 1 shows the raw data collected during Dr. Vance's study.
| Sleep deprivation (hours) | Attention task errors (out of 30) |
|---|---|
| 2 | 3 |
| 6 | 8 |
| 12 | 17 |
| 16 | 22 |
| 4 | 5 |
| 18 | 27 |
| 10 | 12 |
| 14 | 19 |
| 8 | 10 |
| 20 | 29 |
Draw a scatter diagram to show Dr. Vance's data.
186 exam-style questions on Edexcel A Level Psychology Research methods and skills, covering Research methods and skills. Each one has a worked solution and a mark scheme showing where the marks go.